#### Direction to solve:

Each of these questions followed by three statements. Please study the questions and decide which of the statement(s) is/are necessary to answer the question.

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1.

A tank is fitted with two taps $A$ and $B$. In how much time will the tank be full if both the taps are opened together ?

I. $A$ is $50\%$ more efficient than $B$.

II. $A$ alone takes $16$ hours to fill the tank.

III. $B$ alone takes $24$ hours to fill the tank.

A) II and III only

B) All I, II and III

C) I and II only

D) I and III only

E) Any two of the three

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